Merge branch '0.2'

1 files changed, 52 insertions, 0 deletions

diff --git a/src/rwlock/read_guard.rs b/src/rwlock/read_guard.rs
index 532a6e7..1eb8bfc 100644
--- a/src/rwlock/read_guard.rs
+++ b/src/rwlock/read_guard.rs
@@ -1,3 +1,4 @@
+use std::fmt::{Debug, Display};
 use std::marker::PhantomData;
 use std::ops::Deref;
 
@@ -7,6 +8,18 @@ use crate::key::Keyable;
 
 use super::{RwLock, RwLockReadGuard, RwLockReadRef};
 
+impl<'a, T: Debug + ?Sized + 'a, R: RawRwLock> Debug for RwLockReadRef<'a, T, R> {
+	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+		Debug::fmt(&**self, f)
+	}
+}
+
+impl<'a, T: Display + ?Sized + 'a, R: RawRwLock> Display for RwLockReadRef<'a, T, R> {
+	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+		Display::fmt(&**self, f)
+	}
+}
+
 impl<'a, T: ?Sized + 'a, R: RawRwLock> Deref for RwLockReadRef<'a, T, R> {
 	type Target = T;
 
@@ -18,6 +31,12 @@ impl<'a, T: ?Sized + 'a, R: RawRwLock> Deref for RwLockReadRef<'a, T, R> {
 	}
 }
 
+impl<'a, T: ?Sized + 'a, R: RawRwLock> AsRef<T> for RwLockReadRef<'a, T, R> {
+	fn as_ref(&self) -> &T {
+		self
+	}
+}
+
 impl<'a, T: ?Sized + 'a, R: RawRwLock> Drop for RwLockReadRef<'a, T, R> {
 	fn drop(&mut self) {
 		// safety: this guard is being destroyed, so the data cannot be
@@ -26,6 +45,31 @@ impl<'a, T: ?Sized + 'a, R: RawRwLock> Drop for RwLockReadRef<'a, T, R> {
 	}
 }
 
+impl<'a, T: ?Sized + 'a, R: RawRwLock> RwLockReadRef<'a, T, R> {
+	/// Creates an immutable reference for the underlying data of an [`RwLock`]
+	/// without locking it or taking ownership of the key.
+	#[must_use]
+	pub(crate) unsafe fn new(mutex: &'a RwLock<T, R>) -> Self {
+		Self(mutex, PhantomData)
+	}
+}
+
+impl<'a, 'key, T: Debug + ?Sized + 'a, Key: Keyable + 'key, R: RawRwLock> Debug
+	for RwLockReadGuard<'a, 'key, T, Key, R>
+{
+	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+		Debug::fmt(&**self, f)
+	}
+}
+
+impl<'a, 'key, T: Display + ?Sized + 'a, Key: Keyable + 'key, R: RawRwLock> Display
+	for RwLockReadGuard<'a, 'key, T, Key, R>
+{
+	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+		Display::fmt(&**self, f)
+	}
+}
+
 impl<'a, 'key: 'a, T: ?Sized + 'a, Key: Keyable, R: RawRwLock> Deref
 	for RwLockReadGuard<'a, 'key, T, Key, R>
 {
@@ -36,6 +80,14 @@ impl<'a, 'key: 'a, T: ?Sized + 'a, Key: Keyable, R: RawRwLock> Deref
 	}
 }
 
+impl<'a, 'key: 'a, T: ?Sized + 'a, Key: Keyable, R: RawRwLock> AsRef<T>
+	for RwLockReadGuard<'a, 'key, T, Key, R>
+{
+	fn as_ref(&self) -> &T {
+		self
+	}
+}
+
 impl<'a, 'key: 'a, T: ?Sized + 'a, Key: Keyable, R: RawRwLock>
 	RwLockReadGuard<'a, 'key, T, Key, R>
 {